Eightfold AI

Deep learning talent intelligence platform for workforce planning and hiring

Ahrefs

AI-enhanced SEO toolset with industry-leading backlink index and keyword research capabilities

Eightfold AI

Moderate

15/25

Ahrefs

Moderate

14/25

Score Breakdown

DimensionEightfold AIAhrefs

Data Residency

Where is your data stored and processed?

Eightfold AI: Data hosting in US and EU regions. EU data residency available for European enterprise customers subject to GDPR obligations on employee personal data.

Ahrefs: Singapore-incorporated and bootstrapped; data processed across global infrastructure; no formal per-customer data residency selection but alternative jurisdiction to US CLOUD Act-covered vendors

3/5

Data hosting in US and EU regions. EU data residency available for European enterprise customers subject to GDPR obligations on employee personal data.

3/5

Singapore-incorporated and bootstrapped; data processed across global infrastructure; no formal per-customer data residency selection but alternative jurisdiction to US CLOUD Act-covered vendors

Legal Jurisdiction

Which laws govern the company and your data?

Eightfold AI: Incorporated in Delaware, US. Subject to US legal frameworks. GDPR-compliant data processing agreements available. US jurisdiction may require additional scrutiny for EU-regulated employee data.

Ahrefs: Singapore incorporation provides a favourable alternative to US-based alternatives; Singapore has PDPA data protection legislation and is not subject to US CLOUD Act; GDPR DPA available

3/5

Incorporated in Delaware, US. Subject to US legal frameworks. GDPR-compliant data processing agreements available. US jurisdiction may require additional scrutiny for EU-regulated employee data.

3/5

Singapore incorporation provides a favourable alternative to US-based alternatives; Singapore has PDPA data protection legislation and is not subject to US CLOUD Act; GDPR DPA available

Data Retention & Training

Is your data used for model training?

Eightfold AI: Standard enterprise data retention controls. Candidate and employee data lifecycle management available. GDPR deletion and data subject rights workflows supported.

Ahrefs: Primarily processes public web index data; customer account and project data retained per privacy policy; no known use of customer data for model training

3/5

Standard enterprise data retention controls. Candidate and employee data lifecycle management available. GDPR deletion and data subject rights workflows supported.

3/5

Primarily processes public web index data; customer account and project data retained per privacy policy; no known use of customer data for model training

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Eightfold AI: Holds SOC 2 Type II and ISO 27001 certifications. Adequate baseline for an HR data platform, though additional certifications would strengthen the compliance posture for regulated industries.

Ahrefs: No publicly confirmed SOC 2 or ISO 27001 certifications; GDPR DPA available; cookie-free Web Analytics reduces personal data exposure

3/5

Holds SOC 2 Type II and ISO 27001 certifications. Adequate baseline for an HR data platform, though additional certifications would strengthen the compliance posture for regulated industries.

2/5

No publicly confirmed SOC 2 or ISO 27001 certifications; GDPR DPA available; cookie-free Web Analytics reduces personal data exposure

Regulatory Fit

Suitability for regulated industries and professional services

Eightfold AI: Good fit for large enterprises managing talent data at scale. EEOC-aware AI design and bias mitigation features are important differentiators for US organisations. GDPR support for European employee data processing.

Ahrefs: Bootstrap model and Singapore jurisdiction are notable differentiators; absence of formal security certifications limits suitability for highly regulated sectors requiring SOC 2 evidence

3/5

Good fit for large enterprises managing talent data at scale. EEOC-aware AI design and bias mitigation features are important differentiators for US organisations. GDPR support for European employee data processing.

3/5

Bootstrap model and Singapore jurisdiction are notable differentiators; absence of formal security certifications limits suitability for highly regulated sectors requiring SOC 2 evidence

Total Score

15/25

14/25

Best For

Eightfold AI

Best for teams that prioritise data residency (scores 3/5) and need a bronze-tier tool.

Ahrefs

Best for teams that prioritise data residency (scores 3/5) and need a bronze-tier tool.

Detailed Comparison

Ahrefs vs Eightfold AI: Trust & Compliance Comparison

Ahrefs (Ahrefs, SG) scores 14/25 overall with a Bronze (Moderate) trust badge. AI-enhanced SEO toolset with industry-leading backlink index and keyword research capabilities. Eightfold AI (Eightfold AI, US) scores 15/25 with a Bronze (Moderate) trust badge. Deep learning talent intelligence platform for workforce planning and hiring.

Dimension-by-Dimension Breakdown

#### Data Residency

Both score equally at 3/5.

●Ahrefs (3/5): Singapore-incorporated and bootstrapped; data processed across global infrastructure; no formal per-customer data residency selection but alternative jurisdiction to US CLOUD Act-covered vendors

●Eightfold AI (3/5): Data hosting in US and EU regions. EU data residency available for European enterprise customers subject to GDPR obligations on employee personal data.

#### Legal Jurisdiction

Both score equally at 3/5.

●Ahrefs (3/5): Singapore incorporation provides a favourable alternative to US-based alternatives; Singapore has PDPA data protection legislation and is not subject to US CLOUD Act; GDPR DPA available

●Eightfold AI (3/5): Incorporated in Delaware, US. Subject to US legal frameworks. GDPR-compliant data processing agreements available. US jurisdiction may require additional scrutiny for EU-regulated employee data.

#### Data Retention & Training

Both score equally at 3/5.

●Ahrefs (3/5): Primarily processes public web index data; customer account and project data retained per privacy policy; no known use of customer data for model training

●Eightfold AI (3/5): Standard enterprise data retention controls. Candidate and employee data lifecycle management available. GDPR deletion and data subject rights workflows supported.

#### Certifications

Eightfold AI leads with 3/5 vs 2/5.

●Ahrefs (2/5): No publicly confirmed SOC 2 or ISO 27001 certifications; GDPR DPA available; cookie-free Web Analytics reduces personal data exposure

●Eightfold AI (3/5): Holds SOC 2 Type II and ISO 27001 certifications. Adequate baseline for an HR data platform, though additional certifications would strengthen the compliance posture for regulated industries.

#### Regulatory Fit

Both score equally at 3/5.

●Ahrefs (3/5): Bootstrap model and Singapore jurisdiction are notable differentiators; absence of formal security certifications limits suitability for highly regulated sectors requiring SOC 2 evidence

●Eightfold AI (3/5): Good fit for large enterprises managing talent data at scale. EEOC-aware AI design and bias mitigation features are important differentiators for US organisations. GDPR support for European employee data processing.

Certifications at a Glance

Certification	Ahrefs	Eightfold AI
ISO 27001	No	Yes
SOC 2 Type II	No	Yes

Overall Verdict

Ahrefs and Eightfold AI are closely matched on trust and compliance, with scores of 14/25 and 15/25 respectively. The right choice depends on your specific regulatory requirements and existing technology stack.

Frequently Asked Questions

Which is better for EU compliance, Eightfold AI or Ahrefs?

Eightfold AI has a TrustKit score of 15/25 while Ahrefs scores 14/25. Eightfold AI currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Eightfold AI and Ahrefs compare on data residency?

Eightfold AI scores 3/5 for data residency (Data hosting in US and EU regions. EU data residency available for European enterprise customers subject to GDPR obligations on employee personal data.), while Ahrefs scores 3/5 (Singapore-incorporated and bootstrapped; data processed across global infrastructure; no formal per-customer data residency selection but alternative jurisdiction to US CLOUD Act-covered vendors).

Are Eightfold AI and Ahrefs GDPR compliant?

Both tools are assessed across five compliance dimensions. Eightfold AI has a regulatory fit score of 3/5 and Ahrefs scores 3/5. Check the full comparison above for a detailed breakdown.

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